Answers

The simplest form of -18/2400 is -3/400.

Steps to simplifying fractions

1. Find the GCD (or HCF) of the absolute values of both numerator and denominator
   GCD of 18 and 2400 is 6
2. Divide both the numerator and denominator by the GCD
   -18 ÷ 6/2400 ÷ 6
3. Reduced fraction: -3/400
   Therefore, -18/2400 simplified to lowest terms is -3/400.

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